What decimal of an hour is a second?

The average of 2, 7, 6 and x is 5 and the average of 18, 1, 6, x and y is 10. What is the value of y?

How many pieces of 85 cm length can be cut from a rod 42.5 meters long?

The least number which is a perfect square and is divisible by each of the numbers 16, 20 and 24, is :

Six years ago, Rahim was P times as old as Kalam was. If Rahim is now 17 years old, how old is Kalam now in te...

What percentage of numbers from 1 to 80 has 0 or 5 in the unit's digit?

The length, width, and depth of a rectangular box are 6 feet, 5 feet, and 7 feet, respectively, A pipe supplie...